<template>
	<div class="p-2">
		<el-row :gutter="20">
			<!-- 流程分类树 -->
			<el-col :lg="4" :xs="24" style="">
				<el-card shadow="hover">
					<el-input v-model="categoryName" placeholder="请输入流程分类名" prefix-icon="Search" clearable />
					<el-tree ref="categoryTreeRef" class="mt-2" node-key="id" :data="categoryOptions"
						:props="{ label: 'label', children: 'children' }" :expand-on-click-node="false"
						:filter-node-method="filterNode" highlight-current default-expand-all
						@node-click="handleNodeClick"></el-tree>
				</el-card>
			</el-col>
			<el-col :lg="20" :xs="24">
				<transition :enter-active-class="proxy?.animate.searchAnimate.enter"
					:leave-active-class="proxy?.animate.searchAnimate.leave">
					<div v-show="showSearch" class="mb-[10px]">
						<el-card shadow="hover">
							<el-form v-show="showSearch" ref="queryFormRef" :model="queryParams" :inline="true" label-width="120px">
								<el-form-item label="流程定义名称" prop="flowName">
									<el-input v-model="queryParams.flowName" placeholder="请输入流程定义名称" clearable
										@keyup.enter="handleQuery" />
								</el-form-item>
								<el-form-item label="流程定义编码" prop="flowCode">
									<el-input v-model="queryParams.flowCode" placeholder="请输入流程定义编码" clearable
										@keyup.enter="handleQuery" />
								</el-form-item>
								<el-form-item>
									<el-button type="primary" icon="Search" @click="handleQuery">搜索</el-button>
									<el-button icon="Refresh" @click="resetQuery">重置</el-button>
								</el-form-item>
							</el-form>
						</el-card>
					</div>
				</transition>
				<el-card shadow="hover">
					<template #header>
						<el-row :gutter="10" class="mb8">
							<el-col :span="1.5">
								<el-button type="primary" icon="Plus" @click="handleAdd()">添加</el-button>
							</el-col>
							<el-col :span="1.5">
								<el-button type="success" icon="Edit" :disabled="single" @click="handleUpdate()">修改</el-button>
							</el-col>
							<el-col :span="1.5">
								<el-button type="danger" icon="Delete" :disabled="multiple" @click="handleDelete()">删除</el-button>
							</el-col>
							<el-col :span="1.5">
								<el-button type="primary" icon="UploadFilled" @click="uploadDialog.visible = true">部署流程文件</el-button>
							</el-col>
							<el-col :span="1.5">
								<el-button type="warning" icon="Download" :disabled="single" @click="handleExportDef">导出</el-button>
							</el-col>
							<right-toolbar v-model:show-search="showSearch" @query-table="handleQuery"></right-toolbar>
						</el-row>
					</template>
					<el-tabs v-model="activeName" class="demo-tabs" @tab-click="handleClick">
						<el-tab-pane label="已发布" name="0"></el-tab-pane>
						<el-tab-pane label="未发布" name="1"></el-tab-pane>
						<el-table v-loading="loading" border :data="processDefinitionList"
							@selection-change="handleSelectionChange">
							<el-table-column type="selection" width="55" align="center" />
							<el-table-column align="center" prop="id" label="主键" v-if="false"></el-table-column>
							<el-table-column align="center" prop="flowName" label="流程定义名称"
								:show-overflow-tooltip="true"></el-table-column>
							<el-table-column align="center" prop="flowCode" label="标识KEY"
								:show-overflow-tooltip="true"></el-table-column>
							<el-table-column align="center" prop="categoryName" label="流程分类"
								:show-overflow-tooltip="true"></el-table-column>
							<el-table-column align="center" prop="version" label="版本号" width="80">
								<template #default="scope"> v{{ scope.row.version }}.0</template>
							</el-table-column>
							<el-table-column align="center" prop="activityStatus" label="激活状态" width="130">
								<template #default="scope">
									<el-switch v-model="scope.row.activityStatus" :active-value="1" :inactive-value="0"
										@change="(status) => handleProcessDefState(scope.row, status)" />
								</template>
							</el-table-column>
							<el-table-column align="center" prop="isPublish" label="发布状态" width="100">
								<template #default="scope">
									<el-tag v-if="scope.row.isPublish == 0" type="danger">未发布</el-tag>
									<el-tag v-else-if="scope.row.isPublish == 1" type="success">已发布</el-tag>
									<el-tag v-else type="danger">失效</el-tag>
								</template>
							</el-table-column>
							<el-table-column fixed="right" label="操作" align="center" width="170"
								class-name="small-padding fixed-width">
								<template #default="scope">
									<el-row :gutter="10" class="mb8">
										<el-col :span="1.5">
											<el-button link type="primary" size="small" icon="Delete"
												@click="handleDelete(scope.row)">删除流程</el-button>
										</el-col>
										<el-col :span="1.5">
											<el-button link type="primary" size="small" icon="CopyDocument"
												@click="handleCopyDef(scope.row)">复制流程</el-button>
										</el-col>
									</el-row>
									<el-row :gutter="10" class="mb8">
										<el-col :span="1.5">
											<el-button link type="primary" v-if="scope.row.isPublish === 0" icon="Pointer" size="small"
												@click="design(scope.row)">流程设计</el-button>
											<el-button link type="primary" v-else icon="View" size="small"
												@click="designView(scope.row)">查看流程</el-button>
										</el-col>
										<el-col v-if="scope.row.isPublish !== 1" :span="1.5">
											<el-button link type="primary" size="small" icon="CircleCheck"
												@click="handlePublish(scope.row)">发布流程</el-button>
										</el-col>
									</el-row>
								</template>
							</el-table-column>
						</el-table>
						<pagination v-show="total > 0" v-model:page="queryParams.pageNum" v-model:limit="queryParams.pageSize"
							:total="total" @pagination="getPageList" />
					</el-tabs>
				</el-card>
			</el-col>
		</el-row>

		<!-- 部署文件 -->
		<el-dialog v-if="uploadDialog.visible" v-model="uploadDialog.visible" :title="uploadDialog.title" width="30%">
			<div v-loading="uploadDialogLoading">
				<div class="mb5">
					<el-text class="mx-1" size="large"><span class="text-danger">*</span>请选择部署流程分类：</el-text>
					<el-tree-select v-model="selectCategory" :data="categoryOptions"
						:props="{ value: 'id', label: 'label', children: 'children' }" filterable value-key="id"
						:render-after-expand="false" check-strictly style="width: 240px" />
				</div>
				<el-upload class="upload-demo" drag multiple accept="application/json,application/text"
					:before-upload="handlerBeforeUpload" :http-request="handlerImportDefinition">
					<el-icon class="UploadFilled"><upload-filled /></el-icon>
					<div class="el-upload__text"><em>点击上传，选择JSON流程文件</em></div>
					<div class="el-upload__text">仅支持json格式文件</div>
					<div class="el-upload__text">PS:如若部署请部署从本项目模型管理导出的数据</div>
				</el-upload>
			</div>
		</el-dialog>

		<!-- 新增/编辑流程定义 -->
		<el-dialog v-model="modelDialog.visible" :title="modelDialog.title" width="650px" append-to-body
			:close-on-click-modal="false">
			<template #footer>
				<el-form ref="defFormRef" :model="form" :rules="rules" label-width="110px">
					<el-form-item label="流程类别" prop="category">
						<el-tree-select v-model="form.category" :data="categoryOptions"
							:props="{ value: 'id', label: 'label', children: 'children' }" filterable value-key="id"
							:render-after-expand="false" check-strictly style="width: 100%" />
					</el-form-item>
					<el-form-item label="流程编码" prop="flowCode">
						<el-input v-model="form.flowCode" placeholder="请输入流程编码" maxlength="40" show-word-limit />
					</el-form-item>
					<el-form-item label="流程名称" prop="flowName">
						<el-input v-model="form.flowName" placeholder="请输入流程名称" maxlength="100" show-word-limit />
					</el-form-item>
					<el-form-item label="表单路径" prop="formPath">
						<el-input v-model="form.formPath" placeholder="请输入表单路径" maxlength="100" show-word-limit />
					</el-form-item>
				</el-form>
				<div class="dialog-footer">
					<el-button @click="modelDialog.visible = false">取消</el-button>
					<el-button type="primary" @click="handleSubmit">保存</el-button>
				</div>
			</template>
		</el-dialog>
	</div>
</template>

<script setup name="processDefinition">
import { listDefinition, deleteDefinition, active, importDef, unPublishList, publish, add, edit, getInfo, copy } from '@/api/workflow/definition';
import { categoryTree } from '@/api/workflow/category';
const { proxy } = getCurrentInstance()
const queryFormRef = ref();
const categoryTreeRef = ref();
const loading = ref(true);
const ids = ref([]);
const flowCodeList = ref([]);
const single = ref(true);
const multiple = ref(true);
const showSearch = ref(true);
const total = ref(0);
const uploadDialogLoading = ref(false);
const processDefinitionList = ref([]);
const categoryOptions = ref([]);
const categoryName = ref('');
/** 部署文件分类选择 */
const selectCategory = ref();
const defFormRef = ref();
const activeName = ref('0');
const uploadDialog = reactive({
	visible: false,
	title: '部署流程文件'
});

const processDefinitionDialog = reactive({
	visible: false,
	title: '历史版本'
});

const modelDialog = reactive({
	visible: false,
	title: ''
});

// 查询参数
const queryParams = ref({
	pageNum: 1,
	pageSize: 10,
	flowName: undefined,
	flowCode: undefined,
	category: undefined
});
const rules = {
	category: [{ required: true, message: '分类名称不能为空', trigger: 'blur' }],
	flowName: [{ required: true, message: '流程定义名称不能为空', trigger: 'blur' }],
	flowCode: [{ required: true, message: '流程定义编码不能为空', trigger: 'blur' }]
};
const initFormData = {
	id: '',
	flowName: '',
	flowCode: '',
	category: '',
	formPath: ''
};
//流程定义参数
const form = ref({
	id: '',
	flowName: '',
	flowCode: '',
	category: '',
	formPath: ''
});
onMounted(() => {
	getPageList();
	getTreeselect();
});

/** 节点单击事件 */
const handleNodeClick = (data) => {
	queryParams.value.category = data.id;
	if (data.id === '0') {
		queryParams.value.category = '';
	}
	handleQuery();
};
/** 通过条件过滤节点  */
const filterNode = (value, data) => {
	if (!value) return true;
	return data.categoryName.indexOf(value) !== -1;
};
/** 根据名称筛选部门树 */
watchEffect(
	() => {
		categoryTreeRef.value.filter(categoryName.value);
	},
	{
		flush: 'post' // watchEffect会在DOM挂载或者更新之前就会触发，此属性控制在DOM元素更新后运行
	}
);

/** 查询流程分类下拉树结构 */
const getTreeselect = async () => {
	const res = await categoryTree();
	categoryOptions.value = res.data;
};
const handleClick = (tab, event) => {
	// v-model处理有延迟 需要手动处理
	activeName.value = tab.index;
	handleQuery();
};
/** 搜索按钮操作 */
const handleQuery = () => {
	queryParams.value.pageNum = 1;
	if (activeName.value === '0') {
		getList();
	} else {
		getUnPublishList();
	}
};
/** 重置按钮操作 */
const resetQuery = () => {
	queryFormRef.value?.resetFields();
	queryParams.value.category = '';
	queryParams.value.pageNum = 1;
	queryParams.value.pageSize = 10;
	handleQuery();
};
// 多选框选中数据
const handleSelectionChange = (selection) => {
	ids.value = selection.map((item) => item.id);
	flowCodeList.value = selection.map((item) => item.flowCode);
	single.value = selection.length !== 1;
	multiple.value = !selection.length;
};
//分页
const getPageList = async () => {
	const query = proxy.$route.query;
	if (query.activeName) {
		activeName.value = query.activeName;
	}
	if (activeName.value === '0') {
		getList();
	} else {
		getUnPublishList();
	}
};
//分页
const getList = async () => {
	loading.value = true;
	const resp = await listDefinition(queryParams.value);
	processDefinitionList.value = resp.rows;
	total.value = resp.total;
	loading.value = false;
};
//查询未发布的流程定义列表
const getUnPublishList = async () => {
	loading.value = true;
	const resp = await unPublishList(queryParams.value);
	processDefinitionList.value = resp.rows;
	total.value = resp.total;
	loading.value = false;
};

/** 删除按钮操作 */
const handleDelete = async (row) => {
	const id = row?.id || ids.value;
	const defList = processDefinitionList.value.filter((x) => id.indexOf(x.id) != -1).map((x) => x.flowCode);
	await proxy?.$modal.confirm('是否确认删除流程定义编码为【' + defList + '】的数据项？');
	loading.value = true;
	await deleteDefinition(id).finally(() => (loading.value = false));
	await handleQuery();
	proxy?.$modal.msgSuccess('删除成功');
};

/** 发布流程定义 */
const handlePublish = async (row) => {
	await proxy?.$modal.confirm(
		'是否确认发布流程定义编码为【' + row.flowCode + '】版本为【' + row.version + '】的数据项？，发布后会将已发布流程定义改为失效！'
	);
	loading.value = true;
	await publish(row.id).finally(() => (loading.value = false));
	processDefinitionDialog.visible = false;
	activeName.value = '0';
	await handleQuery();
	proxy?.$modal.msgSuccess('发布成功');
};
/** 挂起/激活 */
const handleProcessDefState = async (row, status) => {
	let msg;
	if (status === 0) {
		msg = `暂停后，此流程下的所有任务都不允许往后流转，您确定挂起【${row.flowName || row.flowCode}】吗？`;
	} else {
		msg = `启动后，此流程下的所有任务都允许往后流转，您确定激活【${row.flowName || row.flowCode}】吗？`;
	}
	try {
		loading.value = true;
		await proxy?.$modal.confirm(msg);
		await active(row.id, !!status);
		await handleQuery();
		proxy?.$modal.msgSuccess('操作成功');
	} catch (error) {
		row.activityStatus = status === 0 ? 1 : 0;
		console.error(error);
	} finally {
		loading.value = false;
	}
};

//上传文件前的钩子
const handlerBeforeUpload = () => {
	if (selectCategory.value === 'ALL') {
		proxy?.$modal.msgError('顶级节点不可作为分类！');
		return false;
	}
	if (!selectCategory.value) {
		proxy?.$modal.msgError('请选择左侧要上传的分类！');
		return false;
	}
};
//部署文件
const handlerImportDefinition = (data) => {
	const formData = new FormData();
	uploadDialogLoading.value = true;
	formData.append('file', data.file);
	formData.append('category', selectCategory.value);
	importDef(formData)
		.then(() => {
			uploadDialog.visible = false;
			proxy?.$modal.msgSuccess('部署成功');
			activeName.value = '1';
			handleQuery();
		})
		.finally(() => {
			uploadDialogLoading.value = false;
		});
	return;
};
/**
 * 设计流程
 * @param row
 */
const design = async (row) => {
	proxy.$router.push({
		path: `/workflow/design/index`,
		query: {
			definitionId: row.id,
			disabled: false,
			activeName: activeName.value
		}
	});
};

/**
 * 查看流程
 * @param row
 */
const designView = async (row) => {
	proxy.$router.push({
		path: `/workflow/design/index`,
		query: {
			definitionId: row.id,
			disabled: true,
			activeName: activeName.value
		}
	});
};
/** 表单重置 */
const reset = () => {
	form.value = { ...initFormData };
	defFormRef.value?.resetFields();
};
/**
 * 新增
 */
const handleAdd = async () => {
	reset();
	if (queryParams.value.category != '') {
		form.value.category = queryParams.value.category;
	}
	modelDialog.visible = true;
	modelDialog.title = '新增流程';
};
/** 修改按钮操作 */
const handleUpdate = async (row) => {
	reset();
	const id = row?.id || ids.value[0];
	const res = await getInfo(id);
	Object.assign(form.value, res.data);
	modelDialog.visible = true;
	modelDialog.title = '修改流程';
};

const handleSubmit = async () => {
	defFormRef.value.validate(async (valid) => {
		if (valid) {
			loading.value = true;
			if (form.value.id) {
				await edit(form.value).finally(() => (loading.value = false));
			} else {
				await add(form.value).finally(() => (loading.value = false));
			}
			proxy?.$modal.msgSuccess('操作成功');
			modelDialog.visible = false;
			handleQuery();
		}
	});
};
//复制
const handleCopyDef = async (row) => {
	ElMessageBox.confirm(`是否确认复制【${row.flowCode}】版本为【${row.version}】的流程定义！`, '提示', {
		confirmButtonText: '确认',
		cancelButtonText: '取消',
		type: 'warning'
	}).then(() => {
		loading.value = true;
		copy(row.id)
			.then((resp) => {
				if (resp.code === 200) {
					proxy?.$modal.msgSuccess('操作成功');
					activeName.value = '1';
					handleQuery();
				}
			})
			.finally(() => (loading.value = false));
	});
};

/** 导出按钮操作 */
const handleExportDef = () => {
	proxy?.download(`/workflow/definition/exportDef/${ids.value[0]}`, {}, `${flowCodeList.value[0]}.json`);
};
</script>
